Home / 129,853.80-194,756.04-45,594.09

Finding the Fourth Proportional to 129,853.80, 194,756.04 and 45,594.09

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Solution

The fourth proportional to 129,853.80, 194,756.04 and 45,594.09 is: 68,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,853.80 : 194,756.04 = 45,594.09 : x
  2. Step 2: Convert to fraction form
    129,853.80/194,756.04 = 45,594.09/x
  3. Step 3: Cross multiply
    129,853.80x = 194,756.04 × 45,594.09
  4. Step 4: Simplify right side
    129,853.80x = 8,879,724,415.80
  5. Step 5: Solve for x
    x = 8,879,724,415.80/129,853.80
  6. Step 6: Final answer
    x = 68,382.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.